nanocore | 3ad55f9782bc20f96984747c25fc35357512fb5c69a11eb976db9973f8530ece

General

Target

5947deadc47070b7ad023b2e590f8eb0_NeikiAnalytics.exe
Size

278KB
MD5

5947deadc47070b7ad023b2e590f8eb0
SHA1

0effb79165573cefb59fed9efd1d92d81908c65a
SHA256

3ad55f9782bc20f96984747c25fc35357512fb5c69a11eb976db9973f8530ece
SHA512

a44784e8ed036d8503c69812883bcfcbe81682e2d6f349f8dd9cb48ec81c368cf3261fb8c7637e79371cf6f1b94c7100cc27af78c3c6c75c413d66e6c0fbf564
SSDEEP

6144:boy5p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ66fKN:boSeGUA5YZazpXUmZhZ6SN

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

sysupdate24.ddns.net:45400

Mutex

ae82ab7f-db07-49ee-9d2b-76075d76f37f

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
buffer_size
65535
build_time
2020-04-24T17:41:53.492468936Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
45400
default_group
Default
enable_debug_mode
true
gc_threshold
1.048576e+07
keep_alive_timeout
30000
keyboard_logging
false
lan_timeout
2500
max_packet_size
1.048576e+07
mutex
ae82ab7f-db07-49ee-9d2b-76075d76f37f
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
sysupdate24.ddns.net
primary_dns_server
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
true
set_critical_process
true
timeout_interval
5000
use_custom_dns_server
false
version
1.2.2.0
wan_timeout
8000

Signatures

NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

5947deadc47070b7ad023b2e590f8eb0_NeikiAnalytics.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	5947deadc47070b7ad023b2e590f8eb0_NeikiAnalytics.exe

Executes dropped EXE 2 IoCs

Processes:

a1punf5t2of.exea1punf5t2of.exe

pid process

4656 a1punf5t2of.exe
1984 a1punf5t2of.exe

pid	process
4656	a1punf5t2of.exe
1984	a1punf5t2of.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

5947deadc47070b7ad023b2e590f8eb0_NeikiAnalytics.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe"	5947deadc47070b7ad023b2e590f8eb0_NeikiAnalytics.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

a1punf5t2of.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA a1punf5t2of.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

a1punf5t2of.exe

description pid process target process

PID 4656 set thread context of 1984 4656 a1punf5t2of.exe a1punf5t2of.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

a1punf5t2of.exe

pid process

1984 a1punf5t2of.exe
1984 a1punf5t2of.exe
1984 a1punf5t2of.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

a1punf5t2of.exe

pid process

1984 a1punf5t2of.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

a1punf5t2of.exe

description pid process

Token: SeDebugPrivilege 1984 a1punf5t2of.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	a1punf5t2of.exe

description	pid	process	target process
PID 4656 set thread context of 1984	4656	a1punf5t2of.exe	a1punf5t2of.exe

pid	process
1984	a1punf5t2of.exe
1984	a1punf5t2of.exe
1984	a1punf5t2of.exe

pid	process
1984	a1punf5t2of.exe

description	pid	process
Token: SeDebugPrivilege	1984	a1punf5t2of.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

5947deadc47070b7ad023b2e590f8eb0_NeikiAnalytics.exea1punf5t2of.exe

description	pid	process	target process
PID 4632 wrote to memory of 4656	4632	5947deadc47070b7ad023b2e590f8eb0_NeikiAnalytics.exe	a1punf5t2of.exe
PID 4632 wrote to memory of 4656	4632	5947deadc47070b7ad023b2e590f8eb0_NeikiAnalytics.exe	a1punf5t2of.exe
PID 4632 wrote to memory of 4656	4632	5947deadc47070b7ad023b2e590f8eb0_NeikiAnalytics.exe	a1punf5t2of.exe
PID 4656 wrote to memory of 1984	4656	a1punf5t2of.exe	a1punf5t2of.exe
PID 4656 wrote to memory of 1984	4656	a1punf5t2of.exe	a1punf5t2of.exe
PID 4656 wrote to memory of 1984	4656	a1punf5t2of.exe	a1punf5t2of.exe
PID 4656 wrote to memory of 1984	4656	a1punf5t2of.exe	a1punf5t2of.exe
PID 4656 wrote to memory of 1984	4656	a1punf5t2of.exe	a1punf5t2of.exe
PID 4656 wrote to memory of 1984	4656	a1punf5t2of.exe	a1punf5t2of.exe
PID 4656 wrote to memory of 1984	4656	a1punf5t2of.exe	a1punf5t2of.exe
PID 4656 wrote to memory of 1984	4656	a1punf5t2of.exe	a1punf5t2of.exe

C:\Users\Admin\AppData\Local\Temp\5947deadc47070b7ad023b2e590f8eb0_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\5947deadc47070b7ad023b2e590f8eb0_NeikiAnalytics.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4632

C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
"C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4656

C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
"C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"
3⤵
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1984

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
Filesize
278KB

MD5
60767eac58c6fccad1ebaf38d61f38fc

SHA1
b9acca97af2a8e71916cc4dce1ae09663d5e86a0

SHA256
73e8f886ba0130c9cf6768afe83337cec467eb5ad50530d5d02f549ad5ba53b6

SHA512
39b603733e134a4b5b546c435f40841939db110615fc62ce93d05f91e1c07fbc07c0af11e7a8487765e679087e35e19174ae43c786f40447a70b7140987d468c

Download Submit
memory/1984-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1984-26-0x0000000074BE0000-0x0000000075191000-memory.dmp

Filesize
5.7MB

Download
memory/1984-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1984-25-0x0000000074BE0000-0x0000000075191000-memory.dmp

Filesize
5.7MB

Download
memory/1984-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1984-33-0x0000000074BE0000-0x0000000075191000-memory.dmp

Filesize
5.7MB

Download
memory/1984-29-0x0000000074BE0000-0x0000000075191000-memory.dmp

Filesize
5.7MB

Download
memory/1984-27-0x0000000074BE0000-0x0000000075191000-memory.dmp

Filesize
5.7MB

Download
memory/1984-34-0x0000000074BE0000-0x0000000075191000-memory.dmp

Filesize
5.7MB

Download
memory/4632-3-0x0000000074BE0000-0x0000000075191000-memory.dmp

Filesize
5.7MB

Download
memory/4632-1-0x0000000074BE0000-0x0000000075191000-memory.dmp

Filesize
5.7MB

Download
memory/4632-2-0x0000000074BE0000-0x0000000075191000-memory.dmp

Filesize
5.7MB

Download
memory/4632-0-0x0000000074BE2000-0x0000000074BE3000-memory.dmp

Filesize
4KB

Download
memory/4632-18-0x0000000074BE0000-0x0000000075191000-memory.dmp

Filesize
5.7MB

Download
memory/4656-19-0x0000000074BE0000-0x0000000075191000-memory.dmp

Filesize
5.7MB

Download
memory/4656-30-0x0000000074BE0000-0x0000000075191000-memory.dmp

Filesize
5.7MB

Download
memory/4656-32-0x0000000074BE0000-0x0000000075191000-memory.dmp

Filesize
5.7MB

Download
memory/4656-17-0x0000000074BE0000-0x0000000075191000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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